2021 Böttcher Fahrräder Evolution GRX Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Disc brake
Somewhat upright stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Very upright stack and reachvs category

Geometry

480
530
580
630
Stack
604mm
623mm
641mm
670mm
Reach
386mm
395mm
403mm
394mm
Stack to Reach Ratio
1.56:1
1.58:1
1.59:1
1.7:1
Seat Tube Length, C-T
480mm
530mm
580mm
630mm
Top Tube Length, Effective/Horizontal HT Top
540mm
557mm
579mm
579mm
Top Tube Slope
15.4deg
11.9deg
8.6deg
6.8deg
Head Tube Angle
71deg
71deg
71deg
71deg
Seat Tube Angle
74deg
73.5deg
73deg
72.5deg
Head Tube Length
140mm
160mm
180mm
210mm
Bottom Bracket Height
Chainstay Length
450mm
450mm
450mm
450mm
Wheelbase
1068mm
1082mm
1098mm
1112mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
Trail
71.4mm
high
71.4mm
high
71.4mm
high
71.4mm
high
Mechanical Trail
67.5mm
67.5mm
67.5mm
67.5mm
Wheel Flop
22mm
22mm
22mm
22mm

Base Build

480
530
580
630
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
50mm
50mm
50mm
50mm
Tire Outer Diameter
722mm
722mm
722mm
722mm
Bike Length with Tires
1790mm
1804mm
1820mm
1834mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
All-road/Gravel
Source:https://www.boettcher-fahrraeder.de/fahrrad/143/Evolution+GRX+B%C3%B6ttcher